Oral Medicine & Radiology

Third Year , BDS












 1. Introduction  to Oral Medicine and Radiology Define OMR ,
Enlist the Scope of OMR
History of oral medicine and radiology , Definitions of OMR, Pioneers in OMR,
Scope of OMR
  • Didactic Lecture through Power point projection  &
  • Students interactive session


2. Case history- Oral Diagnosis and evaluation of the dental patient Adapt Types, SOAP formats,
Significance of  history recording
Develop Skills in Extra oral and intraoral examination, TMJ, lymph nodes, muscle of  mastication, Salivary gland examination
Build Provisional diagnosis, Investigations,  Final diagnosis,
Formulate Treatment plan
Definitions of case history, provsional diagnosis.
Types of case history –POR,SOAP, conditioned format
History of present illness, past illness
Importance  of medical history
Drug history
History of allergy or hospitalization
General physical examination
Extra oral emanation :
Examination of TMJ ,muscles of mastication, salivary gland ,cervical lymph nodes
Intraoral emanation of soft tissue and hard tissue structures
Forming a provisional diagnosis , Differential diagnosis, Investigations  , Definitive diagnosis , Treatment plan  -phases of treatment plan Prognosis
Electronic health record keeping

  • Didactic Lecture through Power point projection
  • Problem based learning
  • Case presentation






Cervical lymphadenopathy Summarize Knowledge of
Classification &
Significance of     cervical lymphadenopathy
Appraise skills of Examination of LN
Lymphatic system and lymph node
Drainage of head and neck
Examination of lymph node
Significance of lymphadenopathy related findings
  • Didactic Lecture through Power point projection
  • Problem based learning
  • Case presentation





Antimicrobial  and
Analgesics in Dentistry


Relate Usefulness,
Commonly used antibiotics in dentistry, Commonly used analgesics in dentistry,
Develop Clinical Application

Antibiotic used  in dentistry
Classification and mechanism of action  and adverse reaction and drug interaction
Special emphasis on Penicillin, Cephalosporin, Tetracycline, Metronidazole
NSAIDS : Classification of  Mechanism of action, ,Indication,contraindication,side effects, drug interaction
uses according to intensity of pain
OPIOIDIS : Classification of  MOA ,Indication,contraindication,side effects, drug interaction
  • Didactic Lecture through Power point projection
  • Students  interactive session,
  • Group Discussion







Asepsis,  sterilization &Biomedical waste disposal  

Explain Need of asepsis,
Methods of sterilization,
Identify Methods of waste disposable


Necessity of sterilization and disinfection
Need and method of waste disposal


  • Didactic Lecture through Power point projection
  • Students interactive session,
  • Field Visits (Dept

Sterilization room)







Pulpal & periapical diseases


Outline  the scope,
Apply to differentiate and manage the  individual cases


Definition and sequelae of dental caries
Clinical & radiographic features
D/d of periapical granuloma, cyst, abscess


  • Didactic Lecture through Power point projection
  • Student interactive session.
  • Student seminar








Periodontal Diseases




Classify and differentially diagnose each pathology.

Introduction : normal anatomy, cementation, gingivitis, periodontal ligament,alveolar bone
Etiology, clinical feature, management chronic periodontitis,aggressive periodontitis
Periodontal manifestation of systemic diseases
Necrotizing periodontal diseases, periodontal abscess, Perio-endo lesion
Radiological features in periodontal diseases
Advanced diagnostic modality

  • Didactic Lecture through Power point projection
  • problem base learning,
  • Case presentation



Bacterial  Infections  

Relate Clinical behavior
Differential diagnosis, investigation & management of each disease


Clinical course, presenting signs and symptoms, differential diagnosis, investigations and management of each disease.

  • Didactic Lecture through Power point projection
  •  Student Seminar
  • Case presentation.




Viral  Infections Clinical features
Differential diagnosis, investigation & management of each diseases
Oral manifestations of various viral infections,
Modes of spread
D/d and management
  • Didactic Lecture through Power point projection
  • Seminar
  • Case presentation




Fungal  Infections Summarize Knowledge of oral fungal lesions and clinical behavior.
Outline Diagnosis and management.
Types of fungal infections- Superficial and deep.
Classification of candidiasis, predisposing factors, in detail about each type clinical features, investigations and management.
In brief about other deep mycoses like histoplasmosis, blastomycosis, aspergillosis, mucormycosis.The clinical features, investigations and differences in their management with candidiasis.
  • Didactic Lecture through Power point projection
  • Case presentation
  • Demo of Exfoliative cytology.



Radiation physics Knowledge of basics of physics in oral radiography.
Apply Skills on optimal use of exposure parameters
Radiation,elctromagnetic spectrum
Properties of X- rays, production of X-rays, interaction of X-rays with matter
Design of x ray tube and its functioning
Heel effect , Space charge effect
Radiation monitoring devices
Radiation units-dosimetry
  • Didactic Lecture through Power point projection
  • Students seminars & Tutorials(Group wise 10 students per group)
  • X-ray tube model





Radiation biology Understand Significance of diagnostic and therapeutic radiation & hazards related.
Choose Measures employed in oral radiology for these hazards.
Various types of effect of radiation
Direct and indirect effect
Deterministic and Stochastic effects
Effects of radiation on cell cycle
Sensitivity of various cells to radiation
Effects of radiation on oral mucous membrane
  • Didactic Lecture through Power point projection  ,
  • Problem based learning




Radiation safety & protection Interpret Knowledge of concept and measures of radiation safety in oral radiology.


Significance and importance of Radiotion, Biologic effects and measures taken to prevent radiation hazards.
  • Didactic Lecture through Power point projection
  • Field Visits

(Dental Radiology)





Concept of Premalignancy and  chair side investigations Translate Early detection and knowledge of oral premalignancies
Make use of Skills in chair side test in early detection in cancerous and precancerous condition.
Detection and knowledge of oral premalignancies.
  • Didactic Lecture through Power point projection
  •  Fields visits for cancer screening methods (Dept of Oral Medicine Clinic).
1 hr
15 Spread of oral infections and space infections Interpret Knowledge of potential facial spaces and the foci of infection.
Skills of clinical diagnosis of facial space infection.
Sequelae  of dental caries
Spaces in oral maxillofacial regions and manifestations of space infections-clinical features, diagnosis, management
Osteomyelitis, Ludwig’s angina
Acute, chronic abscess, Lumpy jaw
  • Didactic Lecture through Power point projection
  • Case presentation.
1 hr



X-Ray films, intensifying Screens & Grids Knowledge of different types of X-ray films  and
Accessories like grids, screen, use and function.
Fundamentals of X-rays, films, their importance, composition and classification.
Extra oral films, screens
Grids, classification and uses.
  • Didactic Lecture through Power point projection  ,
  • Students interactive session,
  • Field visits (Demonstration of accessories in Dental Radiology)
1 hr
1 hr


Latent image and processing Formation of latent image
Concept of processing and its solution.
Concept of latent image formation
Composition of developer and fixer
Various methods of processing radiograph
Processing equipment
Dark room lay out
Automatic processor
Errors in intraoral Radiography
  • Didactic Lecture through Power point projection,
  • Demonstration in dark room
  •  Tutorial

1 hr

18 Projection geometry and Errors in radiographs Principle of projection geometry
Bisecting angle technique
Paralleling  technique
Errors in radiographs and their rectification
Relation of focal spot to object and film
Image resolution and sharpness
Various types of radiographic errors and rectification
  • Student Seminar
  • Tutroial
1 hr



Normal radiographic anatomy Knowledge of Various radiological landmarks on intra and extra oral radiographs. Landmarks common to both maxilla and mandible
Cervical burn out, lamina dura
alveolar bone radiological landmarks on intra  oral  and extra oral radiographs
  • Didactic Lecture through Power point projection  ,
  • Problem based learning &
  • Students interactive session.
1 hr


Principles of radiographic interpretation Describe various principles of interpretation of  jaw pathologies
Formulate Radiographic D/D of jaw lesions.
Site, Size, Shape, Periphery,
Internal Structure
Effect on surrounding structures
  • Didactic Lecture through Power point projection
  • Tutorial
1 hr



Cranial nerve examination Knowledge of cranial nerves supplying  the face and neck
Perform Clinical examination of cranial nerves and their function.
Names of all cranial nerves
Innervations and course
Clinical examination
Functional examination
Associated disorders
  • Students Seminars,
  • Students interactive session &
  • Tutorial
1 hr


Laboratory investigations Knowledge of the laboratory investigation in oral disease
Clinical judgement required for Lab Inv. in oral diseases
Importance of lab investigations in oral medicine.
– basic investigations like complete hemogram including RBC count, platelet count, Hb, TLC,DLC, MCV,PCV,MCH,MCHC.
BT,CT,PT,INR,aPTT, RBS, fasting blood sugar, HbA1c, OGTT, Urine examination, LFT, KFT, serum Ca, P, alkaline phosphatase,  acid phosphatase etc
Microbiological investigations like culture and antibiotic sensitivity testing
  • Students Seminars,
  • Students interactive session &
  • Tutorial
1 hr
23 Occupational hazards Knowledge of various occupational disease associated with dentistry and Occ. Hazards affecting oral cavity Infections like HIV, Hepatitis, percutaneous incident exposure, dental materials, radiation and noise
Musculoskeletal disorders, psychological problems, dermatitis, respiratory disorders and eye insults.
  • Didactic Lecture through Power point projection
  • Student seminar.

1 hr

24 Developmental disturbance in head and neck including syndromes Understanding of the etiology and clinical features of common  syndromes of head and neck , soft and hard tissue development abnormalities. Developmental disturbances of teeth, lips, tongue, salivary glands, palate and jaw bones
Syndromes affecting jaws
Management of various developmental disturbances and syndromes
  • Students Seminars,
  • Tutorial &
  • Case presentation

1 hr




Steroids in oral medicine.

Knowledge of use of steroids in oral disease
Apply Safety precautions in their use
Classification of steroids
Side effects
Various topical and systemic steroids prescribed to patients with various oral lesions

  • Didactic Lecture through Power point projection
  • Case presentation

1 hr